<template>
  <view class="normal-login-container">
    <view class="logo-content align-center justify-center flex">
      <image style="width: 100rpx;height: 100rpx;" :src="globalConfig.appInfo.logo" mode="widthFix">
      </image>
      <text class="title">光至科技MES移动端</text>
    </view>
    <view class="login-form-content">
      <view class="input-item flex align-center">
        <view class="iconfont icon-user icon"></view>
        <input v-model="loginForm.username" class="input" type="text" placeholder="请输入账号" maxlength="30" />
      </view>
      <view class="input-item flex align-center">
        <view class="iconfont icon-password icon"></view>
        <input v-model="loginForm.password" type="password" class="input" placeholder="请输入密码" maxlength="20" />
      </view>
      <view class="input-item flex align-center" style="width: 60%;margin: 0px;" v-if="captchaEnabled">
        <view class="iconfont icon-code icon"></view>
        <input v-model="loginForm.code" type="number" class="input" placeholder="请输入验证码" maxlength="4" />
        <view class="login-code"> 
          <image :src="codeUrl" @click="getCode" class="login-code-img"></image>
        </view>
      </view>
      <view class="remember-me flex align-center justify-between" style="margin-top: 15px; padding: 0 5px;">
        <checkbox-group @change="onRememberChange">
          <view class="flex align-center">
            <checkbox value="remember" :checked="rememberMe" color="#007AFF" style="transform: scale(0.8);" />
            <text style="margin-left: 5px; font-size: 14px; color: #666;">记住我</text>
          </view>
        </checkbox-group>
        <checkbox-group @change="onAdminChange">
          <view class="flex align-center">
            <checkbox value="admin" :checked="useAdmin" color="#007AFF" style="transform: scale(0.8);" />
            <text style="margin-left: 5px; font-size: 14px; color: #666;">使用管理员登录</text>
          </view>
        </checkbox-group>
      </view>
      <view class="action-btn">
        <button @click="handleLogin" class="login-btn cu-btn block bg-blue lg round">登录</button>
      </view>
      <view class="reg text-center" v-if="register">
        <text class="text-grey1">没有账号？</text>
        <text @click="handleUserRegister" class="text-blue">立即注册</text>
      </view>
      <!-- 注释掉用户协议
	  <view class="xieyi text-center">
        <text class="text-grey1">登录即代表同意</text>
        <text @click="handleUserAgrement" class="text-blue">《用户协议》</text>
        <text @click="handlePrivacy" class="text-blue">《隐私协议》</text>
      </view> -->
    </view>
     
  </view>
</template>

<script>
  import { getCodeImg } from '@/api/login'
  import { getToken } from '@/utils/auth'

  export default {
    data() {
      return {
        codeUrl: "",
        captchaEnabled: true,
        // 用户注册开关
        register: false,
        globalConfig: getApp().globalData.config,
        rememberMe: false,
        useAdmin: false,
        loginForm: {
          username: "",
          password: "",
          code: "",
          uuid: ""
        },
        adminData: {
          username:"admin",
          password:"admin123"
        }
      }
    },
    created() {
      this.getCode()
    },
    onLoad() {
      //#ifdef H5
      if (getToken()) {
        this.$tab.reLaunch('/pages/index')
      }
      //#endif
      //#ifdef APP-PLUS
      // 锁定屏幕方向为竖屏
      plus.screen.lockOrientation('portrait-primary')
      //#endif
    },
    onUnload() {
      //#ifdef APP-PLUS
      // 页面卸载时解锁屏幕方向（可选，如果希望其他页面可以横屏）
      // plus.screen.unlockOrientation()
      //#endif
    },
    onReady() {
      this.loadRememberedAccount()
    },
    methods: {
      // 加载记住的账号信息
      loadRememberedAccount() {
        try {
          const rememberedUsername = uni.getStorageSync('remembered_username')
          const rememberedPassword = uni.getStorageSync('remembered_password')
          const isRemembered = uni.getStorageSync('remember_me')
          
          if (isRemembered && rememberedUsername) {
            this.loginForm.username = rememberedUsername
            if (rememberedPassword) {
              this.loginForm.password = rememberedPassword
            }
            this.rememberMe = true
          }
        } catch (error) {
          console.error('加载记住的账号信息失败:', error)
        }
      },
      // 记住我状态改变
      onRememberChange(e) {
        this.rememberMe = (e.detail && e.detail.value || []).includes('remember')
      },
      // 使用管理员登录状态改变
      onAdminChange(e) {
        const useAdmin = (e.detail && e.detail.value || []).includes('admin')
        if (useAdmin) {
          // 勾选时，填充管理员账号密码
          this.loginForm.username = this.adminData.username
          this.loginForm.password = this.adminData.password
        }
        this.useAdmin = useAdmin
      },
      // 用户注册
      handleUserRegister() {
        this.$tab.redirectTo(`/pages/register`)
      },
      // 隐私协议
      handlePrivacy() {
        let site = this.globalConfig.appInfo.agreements[0]
        this.$tab.navigateTo(`/pages/common/webview/index?title=${site.title}&url=${site.url}`)
      },
      // 用户协议
      handleUserAgrement() {
        let site = this.globalConfig.appInfo.agreements[1]
        this.$tab.navigateTo(`/pages/common/webview/index?title=${site.title}&url=${site.url}`)
      },
      // 获取图形验证码
      getCode() {
        getCodeImg().then(res => {
          this.captchaEnabled = res.captchaEnabled === undefined ? true : res.captchaEnabled
          if (this.captchaEnabled) {
            this.codeUrl = 'data:image/gif;base64,' + res.img
            this.loginForm.uuid = res.uuid
          }
        })
      },
      // 登录方法
      async handleLogin() {
        if (this.loginForm.username === "") {
          this.$modal.msgError("请输入账号")
        } else if (this.loginForm.password === "") {
          this.$modal.msgError("请输入密码")
        } else if (this.loginForm.code === "" && this.captchaEnabled) {
          this.$modal.msgError("请输入验证码")
        } else {
          this.$modal.loading("登录中，请耐心等待...")
          this.pwdLogin()
        }
      },
      // 密码登录
      async pwdLogin() {
        this.$store.dispatch('Login', this.loginForm).then(() => {
          // 登录成功后，如果勾选了记住我，则保存账号密码
          if (this.rememberMe) {
            uni.setStorageSync('remembered_username', this.loginForm.username)
            uni.setStorageSync('remembered_password', this.loginForm.password)
            uni.setStorageSync('remember_me', true)
          } else {
            // 如果取消勾选，清除保存的信息
            uni.removeStorageSync('remembered_username')
            uni.removeStorageSync('remembered_password')
            uni.removeStorageSync('remember_me')
          }
          this.$modal.closeLoading()
          this.loginSuccess()
        }).catch(() => {
          if (this.captchaEnabled) {
            this.getCode()
          }
        })
      },
      // 登录成功后，处理函数
      async loginSuccess(result) {
        try {
          // 设置用户信息
          await this.$store.dispatch('GetInfo')
          
          // 获取用户路由信息（包含后端路由数据和菜单数据）
          await this.$store.dispatch('GetRouters')
          
          // 登录成功后解锁屏幕方向，允许横竖屏切换
          //#ifdef APP-PLUS
          plus.screen.unlockOrientation()
          //#endif
          
          this.$tab.reLaunch('/pages/index')
        } catch (error) {
          console.error('登录后获取信息失败:', error)
          this.$modal.msgError('获取用户信息失败')
        }
      }
    }
  }
</script>

<style lang="scss" scoped>
  page {
    background-color: #ffffff;
  }

  .normal-login-container {
    width: 100%;

    .logo-content {
      width: 100%;
      font-size: 21px;
      text-align: center;
      padding-top: 15%;

      image {
        border-radius: 4px;
      }

      .title {
        margin-left: 10px;
      }
    }

    .login-form-content {
      text-align: center;
      margin: 20px auto;
      margin-top: 15%;
      width: 80%;

      .input-item {
        margin: 20px auto;
        background-color: #f5f6f7;
        height: 45px;
        border-radius: 20px;

        .icon {
          font-size: 38rpx;
          margin-left: 10px;
          color: #999;
        }

        .input {
          width: 100%;
          font-size: 14px;
          line-height: 20px;
          text-align: left;
          padding-left: 15px;
        }

      }

      .remember-me {
        width: 100%;
        font-size: 14px;
      }
      
      .login-btn {
        margin-top: 20px;
        height: 45px;
      }
      
      .reg {
        margin-top: 15px;
      }
      
      .xieyi {
        color: #333;
        margin-top: 20px;
      }
      
      .login-code {
        height: 38px;
        float: right;
      
        .login-code-img {
          height: 38px;
          position: absolute;
          margin-left: 10px;
          width: 200rpx;
        }
      }
    }
  }

</style>
